Apparatus for severing plastic glass.



s. w. MANNfNG.

Amanhusfox s'EfvEmNG PLASTIC GLASS.

- -fPLlATION FILED MWZB. l9l5. I

1,174,173. Patented MM. '2, im@

3 SHEETS--SHEET l.

s .rw. MANNmG. APPARATUS FOR SEVERING FLASH() (LASS.

APPLlcATloN. FILED 1m28. 1915.

1,174,173.. Patented Man-7,1916.

` 3 SHEETS-SHEET 2.

s. VILIIIAIINIIIG. APPARATUS FOR SEVERING PLASTIC GLASS.

APPLICATION FILED JAILZB, 1915.

1,174,173. Y I vPatmmdim.7,1916.

'srqglass, vas' is wellk'nown, in a plastic or s TEPH- ENv/ MANNING, orsAPuLPA, OKLAHOMA.

i To m whom# may concern.' i @Re .it knownthatIfSTEPHEN \;V, l\IA1\I4 n;Niue, a citizen of the UnitedStates, residing i at Sapulpa, in thecountyofCreek Iand 4State 5 of Oklahoma', have invented certain new andi useful Improvements in Apparatus for Severing Plastic Glassfand I do4hereby declare i the following to be. a full,'clear, and exact 1description of the invention, suchl as will` 10"enable.othersfskilled inthe art to whichit appertainsto make and use the same.

My `invention relates .to apparatus for i dropping and severing. aportion of plastic or fluid glass into shapes and portions adaptluned tobe used inthe manufacture of molded aglass articles, suchas fruitjars,milk bottles,

rete." l f* i It, is obvious i i cut ofi" may e used wherever'suchlumpsor 2Q portionsgue desirable. They might be used,

that the portions or lumps so ytherefore, for molded tiunblers,V dishes,etc.,

in snmerinstances; i

- Various devices' have been made "forv the purposeof cutting a'.streamI of flowing glass `.into lumps or sections@thesel sections orlumps tob'e placedinto molds and subjected f to pressure. '1 SomeofVVthese relate towhat `might becalledmeasuring devices, where al f*certain cavity, say, 1s filled with miolten glass 30 to overflow andthe excess seraped' off. l @there are those v1n which the streamof o'W-ing glass is severed by a pair ofshears i there?farefstill othermea'ns.In all' these "cas'es, however, two'objectio'ns exist. First, z

semi-` .tliquid condition, has physical properties l which "are quitepeculiar to itself.' '.cl`hl. .s, it"- isjimpossbleto forma-lump ofglass from a; F 'stream-ofplastic glass', without having the 40 iinarkjof the laps-show insaid lump. 'That mark will 4rer'uainA thrmighoutflvprocess of imolding, Such a mark can be seen-on the bottom end;usually,l ofmany molded `arti- The glass is notsuflcie'ntl'y fluid for`the stream to unite into one solid o r-to absorb or melt into itselfthe laps. v`-vThis portion, `alsva'ys"chilled by contact, onperhaps forotheiireasons, is 'always vharder than the,

i t rest ofthe glassg-and second, theeil'ect of its tio-superiorhardness `"continues, making it impossible to procuifeaneven"distributionv of glass in the blowna'rticla'ffor glass vis amaterial which has@ low specific heat, and, morewhile mobile, are veryfeebly ofthe vi scid `manecaacrUs FoRsEvEnING PmsrrcGLAss.

` i specificationofLeaersPatent Patented Mai- 7,1916, AppleationledJanuary 28,1915. i Serial No; 4,901. y I

over,

viscid andplastic, so that the molecules, so. Reactions,

solutions, and other. changes,

i In carrying out my invention, therefore, I

provide means to effect the severance of the.r

that the quantity Of lump inV such a way when in the workable conditionis quite therefore, go' 4on very slowly 1n a mass of glass when theglass `left for the said vlaps is reduced to almost nothing. I

operation in such a moving forward of the severing meansupon theportionof glass, to beeffected at ajspeed `-dtermined, rst, by towhichthe glass is to be made into,second, by the shape of the portion of theglass, and, third, by its viscidity. I find that' by ehang ing the 4rateofspeed of the severing meansI am enabled to affect, very" materially,the shape --or `contour of,v the lump so severed. This shaping is doneonly at the place where the'severing occurs,.but it" also has its effectupon the other 4end of vthe severed lump; the time` relation being "animportant velement I provide an apparatus which consists of `a glassfurnace having u. bay or recess 1n v7hich fluid glass 1s' retained", and1n the bottom of this recessI-provide an opening andaconduitiittedffinto said opening. I this conduit".lthere -remainsconstantly a body of vglas's.; ,-f-flll'iis body, on leaving the lowerend of the conduit owing to the surface tension glass, always round incross Section. JI-effect the severance of this body in-to segregatedlumps by moving the sever-Y ing agents in 4several directions toward thecenter, chamber.v 'I also provide a support for the conduit,wh'ichsupport may be heated. ,"f-Inth'e .accompanying drawings: Figure 1 is asectional vievv'of a glass furnace With the Abayaforesaid, and mysevering device attached; Fig. 2- is a perspective view of theapparatus, certain .parts beingin section, un-

attached; Fig. 3 is a section ythrough the said also conduct my severingmanner that I cause theI or past the center of the discharge the natureof the object in Fig. 2i

f ed, as may be seen, `by a'frame 6 attached to.

apparatus in l e Fig. 4 is a section-through` the same apparatus of Fig.'2,jat rightanglesto off theclay glass-cutting bladesgFig. 6 .is a

l v-lewvof one of a pair of themetal severing blades; Fig. 7. 1s a'view'of a cooling device for the piston rods ;r and Fig. 8 is a view'ofa somewhat modified form, partly in section.,

part, looking toward the right.l

hot glass, which, in order to make the applee ratus eflicient, should yalso be severed. o

effe'cjtthis lseverance last named, I' arrange .the section of Fig-3;Fig. `5 is a view ofone shaped as 'shown'in Fig. 6, to work at right Inthe drawings,l 1 represents the glass" furnace, 2 thev baytherein, 3 theopening iny the bottom of the bay, 4 the conduit through which the glassis discharged, and 5V an opening. for` introducing a: heating deviceinto the bay orgreceS/s. The conduituis support-,

theA underside`4 of the bay, which may, of

y course, be supported in 'the usual Way, by a pillar. This conduit'is'provided with -a flangef? which rests upon a suitable flange 8, 'cut intheWalls Aof the supportingdevice1 or bracket, which, of course, ismade'offiire atfl vinto ways,'in which slide the'iire clay lseve "ngblades y12. .These blades'areshaped,

4as shown in Fig..k5, havingtwo Walls or Vabutments, one on each side,13 and a'depressed portion -1-4 comlng to a compara tively narrow edgebetween them." The.

widthof this portion' 14, is less than the inside diameter of the.conduit,- so that, the' edgesl of the ab'utments `of the clay bladesrest vagainst the lower` faceof the conduit.

`Totherear of' each of these-blades 14 is attached'a rod 15, passingthrough an opening lf3-in the Wall\17 of the supporting bracket,

.pressing agent to either side of the. piston.' These' cylinders mayalso be lconnected vby a pipe,' so'that bothltnivesmay'be moved' s1mittedto the'otherside pulls the piston and, Aits attached bladebackf Ihave not shown,

' clay and rests -up'on thestrapsor iron-sup-` ports 9. The lower eirdoffthis yconduit rests -upon the bent-up' portion 10 vof the supportv frshown in Fig.- 2. This portion is cut vawayv inultaneously. This pipe isindicated at 20."

'The sign 21 indicates a `pipe'for. admitting lair, .weten-or othercooling medium, to the A piston rod15, as indicated in Fig. 2. It willbe seen. that, as thesebla'des are pushed tovvard each other bythe samepressing agent, -whiclrv may be either air, steam,'or some other gas,they cut a'portion" from'the stream issuing from the-,mouth of theconduit, and the shape ofthe cut-o ii' portion will depend upon thespeed 'and regularity withl which 'thesejblades are made Ito approach'each other; the consistencyofffthe 'glass being otherwisethe same. Itis obvious that these bladesfwill not have sharp enough edges tocompletely sever the glass.` There will thus beleft'betweenthese edges aweb or film of i onWitl-1ca re,"is' practically invisible. v

ated', or-automatic in operatlon.

escape.

two metal blades,- preferably of stee1,g22, and

blade, beingvguided in ways not clearly shownfin yFfglg.'2, "but shown.in .F-ig. 3^, and being thrustforwa'rd by rods 23 attached topistcns'Ql, working in cylinders 25, connect ed by pipes 26v to asuitable source of fluidA supply. The steam, or other fluid, being ad'-initted to 'one side of the ,pistonlin all``these cylinderspushesfitforward, and being ad- .v

the means by which' steamfmay besupplied hereto, and vthat means "may be'hand oper- At 27, Fig. V2,-I show an opening into which a burner may beintroduced toV heat the lower part of the conduitf' I-h'show4 at -28openings through which heatedgases may AIn Fig. 8, I have shown'themetal blades v9,5 arranged'in a slightly modified way.' These bla'des'here "are not symmetrical.,l One of.

them,:22 ,l traverses the entire extent of the joint between the clayblades 12. This-blade.` -V 22 is beveled, as shown,.and in one of the1040I clay blades ther-eis provided :an opening..29, through which blade30, coperatingwith the blade' 22 is thrust. It'will be seein-that thisblade 30 is thrust obliquely downwardto the end of Atheblade, passing,alongdthe 41 05 bevel ofthe blade 22,fthus giving a shearingt cut andseveringthe last trace of'glass string cleanly andsharply.

It will benoted that by arranging the.: clay" blades with'ftlaex bevelface uppermost, 1110 and the metal blades 'with the bevel facelowermost,I provide. two practically plane' surfaces in contact, SO that themovement of,

'the lowen'orLmetaLl blades, is facilitated, and i their cutting eectmade clean an'd'sharp. 116

It will be obvious that irthe apparatus Aof Fig. 8 severanceis notcentral of the lump'l "as it is' in the structure shown in 2.

' It is'apparent that by varying'or manipu-v lating the suppl-y of teamto the'cylinders, 120 `I- can vary the speed 'at whichl thefvariousf lblades progress in v their work. This varia#v tion has, as has alreaiii7been indicated, an important relation to the shape of-the lump cut off,as well as to the position of the tear, 125

j or wire upon the lump, and, consequently, to

its position in thecompleted Apressed article.

This wire', however, when myy apparatus is. v Worked properly, andv theprocess carried i said conduit.

-theglength of the belvelbeing greater than face' of said I conduit,'said-blades consistinv v each. lof athick slab of re clayprovide with abeveled central portion at one edge,

the linside c'rosswise measurement, but less thanfthe .outside crosswisemeasurement of j 12. In adevice-for' cutting olf port-ionsiof f"plasticV glass, in combination, `a glass ,conducting cond-uit waysbeneaththe discharge endgbf 'said conduit, glass severing blades ar. raned in -said ways, the vcutting edges of sai blades being beveled fromone side to faces against'the plane facesvof the blades the other, theAbevel side being u ward, beveled blades arranged below saifirst-mentioned blades, beveled from one' side to the other, the bevelbeing on the lower side, and y ways `for the-second set of blades,arranged at an angle to the .direction of the ways of thefirst-mentioned blades, -to guide the blades of the second set withtheir plane 13. 'In a device forlouttin plastic glass,

`in combination, a furnace, a anged conduit for leading (glass in thefurnace, a support for said con uit having. means for engaging with theflange andthe mouth of said conduit, side`channels, in said support,means for introducing a heating agent saidsn side channels, clay lmivesfor cutting j' oi the discharge of glass y inclosing the'fmouth 'oftheconduit,` means for ushing `forward and 'withdrawing .saidv .'c ayknives, and means for cooling said 4 drawing meansagainst't e heat inthe ,support. 14. In a glass severlng device, in combi?l nation, .with aianged conduit and,A means for severing glass dischargedfrom said con-450 i Y duit and inclesingthe mouth'4 ofjsaid conduit, a support forsaid conduit, a 'ange on saidsupp'ort for engagement with the fiange inlthe' conduit, -a' bent-up ortion -on said support having ,waysthere'lnfsaid bent-up 4,5. portion adaptedto'engage the mouth oftheconduit, knives slidingin ysaid ways, side chambers in said support,and'means for heatingusaid side-chambers,'the conduit be- 4ving incommunication withsaid heatingA 5 means. In testimony ture, in presenceof two witnessesI l STEPHEN W. MANNING. Witnesses; i

' i B. C. Binmm'r, v

M Ax MEYER.

Eashngfand .with- 3;' 'l

v whereof, `I aix lsigna- 1 .v

